Quantitative Aptitude - Arithmetic Ability Questions

Q:

ΔPQR is right angled at Q. QS is the altitude. PQ is 2√13 cm and PS is 8 cm. What is the length of SR?

A) 6√13 cm B) 4√13 cm
C) 18 cm D) 9 cm
 
Answer & Explanation Answer: C) 18 cm

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Filed Under: Area
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Q:

Find the area (in sq units) enclosed by y = 0, x+6=0 and 2x-3y=6.

A) 9 B) 16
C) 20 D) 27
 
Answer & Explanation Answer: D) 27

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Q:

If ab+ba = -1, then the value of a2b-b2a is

A) 1 B) -1
C) 0 D) 2
 
Answer & Explanation Answer: C) 0

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Filed Under: Simplification
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Q:

What is the value of [1 – sin (90 – 2A)] / [1 + sin (90 + 2A)]?

A) sinA cosA B) cot2A
C) tan2A D) sin2A cosA
 
Answer & Explanation Answer: C) tan2A

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Q:

If 5% of (P + Q) = 20% of (P – Q), then P is what percentage of Q?

A) 133.33 B) 166.66
C) 150 D) 171.33
 
Answer & Explanation Answer: B) 166.66

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Filed Under: Percentage
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Q:

If SinX-CosX=1, where 'X' is an acute angle, the value of SinX+CosX is

A) 0 B) 1
C) 1/2 D) 2
 
Answer & Explanation Answer: B) 1

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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) 1716 B) 2730
C) 3360 D) 4086
 
Answer & Explanation Answer: D) 4086

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Filed Under: Odd Man Out
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Q:

Choose the one which is odd from the following options.

A) Coffee B) Rice
C) Tobacco D) Sugarcane
 
Answer & Explanation Answer: B) Rice

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Filed Under: Odd Man Out
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